Solid-state imaging apparatus with self-compensating voltage supply circuit

1. A solid-state imaging apparatus comprising: a photoelectric conversion pixel including a photoelectric conversion device and first amplifying means for amplifying a signal supplied from said photoelectric conversion device; and voltage supply means including second amplifying means for supplying a reset voltage at least to said photoelectric conversion pixel, wherein said second amplifying means has a circuit structure similar to a circuit structure of said first amplifying means, wherein said voltage supply means outputs a voltage from a node at which an input portion and an output portion of said second amplifying means are connected.

2. A solid-state imaging apparatus according to claim 1 , wherein said photoelectric conversion device of said photoelectric conversion pixel is a photodiode, and said photoelectric conversion pixel comprises a transistor for storing a light signal charge, for converting a voltage of the charge, and for outputting the converted charge, a selection switch used for performing the voltage conversion and the voltage output, and a resetting transistor for resetting said photodiode and said transistor.

3. A solid-state imaging apparatus comprising: a photoelectric conversion pixel including a photoelectric conversion device and first amplifying means for amplifying a signal supplied from said photoelectric conversion device; and voltage supply means including second amplifying means for supplying a reset voltage at least to said photoelectric conversion pixel, wherein said second amplifying means has a circuit structure similar to a circuit structure of said first amplifying means, wherein said voltage supply means comprises a transistor for converting a voltage and outputting the converted voltage, a selection switch used for the voltage conversion and the voltage output, and a current-load transistor that forms, together with said transistor, an inversion amplifier.

4. A solid-state imaging apparatus comprising: a photoelectric conversion pixel including a photoelectric conversion device and first amplifying means for amplifying a signal supplied from said photoelectric conversion device; voltage supply means including second amplifying means for supplying a reset voltage at least to said photoelectric conversion pixel, wherein said second amplifying means has a circuit structure similar to a circuit structure of said first amplifying means; and a first operational amplifier, which is a voltage follower, at a stage subsequent to an output terminal of said voltage supply means.

5. A solid-state imaging apparatus according to claim 4 , wherein said voltage supply means further comprises an operational amplifier, which is a voltage follower.

6. A solid-stage imaging apparatus according to claim 4 , wherein a plurality of said voltage supply means are provided.

7. A solid-state imaging apparatus according to claim 4 , wherein said voltage supply means further comprises a second operational amplifier for receiving inputs from said first operational amplifier and a first source follower, and for outputting a voltage to a second source follower, said second source follower outputting said reset voltage.

8. A solid-stage imaging apparatus comprising: a photoelectric conversion pixel including a photoelectric conversion device; and a voltage supply circuit for supplying a reset voltage used for resetting said photoelectric conversion pixel, said reset voltage being supplied from a node at which a control electrode portion of a transistor and an output portion of said transistor are connected, said transistor being configured similarly to a transistor in said photoelectric conversion pixel.